Uniform Supply
Tip -- the Exchange is listed as a link because although in lot of circumstances we can't shop there it is still a darn good reference for authorized uniform items.
CALIFORNIA Items
CALIFORNIA Items
Eureka Buttons for Service Cap
Eureka Buttons for ASU Pockets & Epaulets
"CA" enlisted collar devices (from Vanguard)
ASU Name Plate (from Military Uniforms)
ASU Name Plate (from 1800Nametape)
CASG items from MilitaryClothing.com
Civil Air Patrol
CAPR 147-1 Army and Air Force Exchange privileges of Civil Air Patrol Members
Vanguard | Civil Air Patrol Collection
Saunders Military Insignia - CAP Letters Metal Bright Insignia
Civil Air Patrol Nametapes and Nametags
And the full list here: Supply (CAP Hangar)